Build Non-Unit Fractions

Videos to help Grade 3 students learn how to build non-unit fractions less than one whole from unit fractions.

Common Core Standards: 3.NF.1, 3.NF.3c, 3.G.2

Related Topics:
Lesson Plans and Worksheets for Grade 3

Lesson Plans and Worksheets for all Grades

NY Common Core Math Module 5, Grade 3, Lesson 6

Lesson 6 Application Problem
Chloe’s dad partitions his garden into 4 equal size sections to plant tomatoes, squash, peppers, and cucumbers.
What fraction of the garden is available for growing tomatoes?

(Bonus: Chloe talked her dad into planting beans and lettuce too. He used equal size sections for all the vegetables. What fraction do the tomatoes have now?)

Lesson 6 Concept Development

Unit form. 1 half

Numerical form. ½

What does the 2 mean? 2 is the number of equal parts that the whole is cut into.

What does the 1 mean? We are talking about 1 of the equal parts.

Lesson 6 Homework

1. Complete the number sentence. Estimate to equally partition each strip and shade the answer.
a. 2 thirds =
c. 3 fifths =

3. Fill in the chart.
Total Number of Equal Parts, Total Number of Shaded Equal Parts, Unit Fraction, Fraction Shaded.

Lesson 6 Concept Development and Homework

2. Mr. Abney bought 6 kg of rice. He cooked 1 kg of it for dinner.

a. What fraction of the rice did he cook for dinner?

b. What fraction of the rice was left?